Instructions for Use

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ITPP047 Thermal Printer Hardware Manual
Version 1.00
3.0. Maintenance
Printed characters may become partially unclear due to accumulated paper dust and dirt. To prevent such a
problem, paper dust collected in the paper holder and paper transport section and on the surface of the
thermal head must be removed periodically.
Such cleaning is recommended to be carried out once six month.
3.1. Periodical Cleaning
One of the followings occurred, please clean printing head.
1. Printing is not clear.
2. Any vertical column is not clear.
3. Paper feed noisily.
Printing head cleaning steps
1. Turn the printer off, Open top cover, take out paper roll.
2. Wait till printing head cooling if it just finished printing.
3. Clean printing head completely using swab with alcohol (without water).
4. When alcohol completely volatilized, close top cover.
5. Connect power again, print self test to check if it is clean.
Figure 3- 1 Clean printing head
Wipe With Alcohol